215001111413 has 32 divisors (see below), whose sum is σ = 248825060352. Its totient is φ = 183913459200.

The previous prime is 215001111331. The next prime is 215001111431. The reversal of 215001111413 is 314111100512.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-215001111413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215001111463) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21860345 + ... + 21870177.

It is an arithmetic number, because the mean of its divisors is an integer number (7775783136).

Almost surely, 2^215001111413 is an apocalyptic number.

It is an amenable number.

215001111413 is a deficient number, since it is larger than the sum of its proper divisors (33823948939).

215001111413 is a wasteful number, since it uses less digits than its factorization.

215001111413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11645.

The product of its (nonzero) digits is 120, while the sum is 20.

Adding to 215001111413 its reverse (314111100512), we get a palindrome (529112211925).

The spelling of 215001111413 in words is "two hundred fifteen billion, one million, one hundred eleven thousand, four hundred thirteen".